CN107959954B - Wireless communication method and terminal equipment - Google Patents

Wireless communication method and terminal equipment Download PDF

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Publication number
CN107959954B
CN107959954B CN201610899223.5A CN201610899223A CN107959954B CN 107959954 B CN107959954 B CN 107959954B CN 201610899223 A CN201610899223 A CN 201610899223A CN 107959954 B CN107959954 B CN 107959954B
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smart card
carrier
frequency point
network
card
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CN107959954A (en
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翁玮文
王苗
曹蕾
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China Mobile Communications Group Co Ltd
China Mobile Communications Ltd Research Institute
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China Mobile Communications Group Co Ltd
China Mobile Communications Ltd Research Institute
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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W36/00Hand-off or reselection arrangements
    • H04W36/14Reselecting a network or an air interface
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W48/00Access restriction; Network selection; Access point selection
    • H04W48/16Discovering, processing access restriction or access information
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W60/00Affiliation to network, e.g. registration; Terminating affiliation with the network, e.g. de-registration
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W68/00User notification, e.g. alerting and paging, for incoming communication, change of service or the like
    • H04W68/02Arrangements for increasing efficiency of notification or paging channel

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Computer Security & Cryptography (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

The embodiment of the invention discloses a wireless communication method and terminal equipment. The terminal equipment supports carrier aggregation between downlink bands; the terminal equipment comprises a first smart card and a second smart card; the method comprises the following steps: when detecting that the first smart card and the second smart card to be registered both support a Long Term Evolution (LTE) network, judging whether a preset condition is met; when the preset condition is not met, respectively selecting a first frequency point with the optimal signal quality for the first smart card and selecting a second frequency point with the optimal signal quality for the second smart card for registration; the first smart card corresponds to a first LTE protocol stack; the second smart card corresponds to a second LTE protocol stack; a first Media Access Control (MAC) layer in the first LTE protocol stack receives data over a first carrier; a second MAC layer in the second LTE protocol stack receives data through a second carrier; the first MAC layer and the second MAC layer transmit data through the same carrier.

Description

Wireless communication method and terminal equipment
Technical Field
The present invention relates to wireless communication technologies, and in particular, to a wireless communication method and a terminal device.
Background
With the popularization of carrier aggregation technology, more and more terminals with inter-band carrier aggregation capability exist, but the network has fewer support nodes for carrier aggregation, so the utilization degree of the function on the terminals is low. On the other hand, each large operator accelerates the deployment progress of Long Term Evolution (LTE), and the trend of Voice solutions to Voice over LTE (VoLTE) based IMS is more and more obvious. With the enhancement of LTE network coverage of each operator and the gradual advance of VoLTE, for a user with dual cards, a terminal is required to provide the support capability of dual cards and dual LTE in the future. Therefore, if the hardware resource of the inter-band downlink carrier aggregation capability supported by the terminal is dynamically configured to support the dual-card dual-LTE function, there is no effective solution in the prior art at present.
Disclosure of Invention
In order to solve the existing technical problem, embodiments of the present invention provide a wireless communication method and a terminal device.
In order to achieve the above purpose, the technical solution of the embodiment of the present invention is realized as follows:
the embodiment of the invention provides a wireless communication method, which is applied to terminal equipment; the terminal equipment supports carrier aggregation between downlink bands; the terminal equipment comprises a first smart card and a second smart card; the method comprises the following steps:
when the first smart card and the second smart card to be registered are detected to support the LTE network, judging whether a preset condition is met;
when the preset condition is not met, respectively selecting a first frequency point with the optimal signal quality for the first smart card and selecting a second frequency point with the optimal signal quality for the second smart card for registration;
the first smart card corresponds to a first LTE protocol stack; the second smart card corresponds to a second LTE protocol stack; a first Media Access Control (MAC) layer in the first LTE protocol stack receives data over a first carrier; a second MAC layer in the second LTE protocol stack receives data through a second carrier; the first carrier and the second carrier are different; the first MAC layer and the second MAC layer transmit data through the same carrier.
In the foregoing solution, the selecting a first frequency point with optimal signal quality for the first smart card and selecting a second frequency point with optimal signal quality for the second smart card for registration respectively includes: judging whether the first smart card and the second smart card belong to the same operator or not, and obtaining a first judgment result;
and when the first judgment result shows that the first smart card and the second smart card do not belong to the same operator, the frequency bands respectively supported by the first smart card and the second smart card are combined for scanning according to the network frequency point deployment of the operators respectively corresponding to the first smart card and the second smart card, the first frequency point with the optimal signal quality is selected for the first smart card for registration, and the second frequency point with the optimal signal quality is selected for the second smart card for registration.
In the foregoing solution, when the first determination result indicates that the first smart card and the second smart card belong to the same operator, the method further includes: and deploying and combining frequency bands supported by the first smart card and the second smart card according to network frequency points of operators corresponding to the first smart card and the second smart card, registering aiming at the first smart card and selecting the first frequency point with the optimal signal quality, and registering aiming at the second smart card and selecting the second frequency point with the optimal signal quality.
In the above scheme, the method further comprises: reporting first capacity information when the first intelligent card is controlled to access the network; and reporting second capacity information when controlling the second smart card to access the network;
the first capability information is capability information representing that downlink carrier aggregation is supported; the second capability information is capability information representing a single carrier or capability information representing support of downlink carrier aggregation.
In the above scheme, the method further comprises: when an auxiliary carrier activation instruction is received through the first smart card, controlling the second smart card to be migrated from the LTE network to the 2/3G network, and controlling the first smart card to activate an auxiliary carrier to perform carrier aggregation operation;
or, the first smart card and the second smart card are still maintained to reside in the LTE network.
In the above scheme, the method further comprises: when the second smart card receives the paging message,
if the first smart card is not in a paging state and is not in a VoLTE voice call, controlling an uplink channel to be used for the second smart card;
if the first smart card is in a paging state, controlling the uplink channel to be used for the first smart card;
and if the first smart card is in VoLTE voice call, using part of time slot resources of an uplink channel for the second smart card according to a preset rule.
The embodiment of the invention also provides the terminal equipment, and the terminal equipment supports the carrier aggregation between the downlink bands; the terminal equipment comprises a first smart card and a second smart card; the first smart card corresponds to a first LTE protocol stack; the second smart card corresponds to a second LTE protocol stack; a first MAC layer in the first LTE protocol stack receives data through a first carrier; a second MAC layer in the second LTE protocol stack receives data through a second carrier; the first carrier and the second carrier are different; the first MAC layer and the second MAC layer send data through the same carrier; the terminal equipment also comprises a detection unit and a control unit; wherein,
the detection unit is used for detecting the networks supported by the first smart card and the second smart card to be registered;
the control unit is used for judging whether a preset condition is met or not when the detection unit detects that the first smart card and the second smart card to be registered both support a Long Term Evolution (LTE) network; and when the preset condition is not met, respectively selecting a first frequency point with the optimal signal quality for the first smart card and selecting a second frequency point with the optimal signal quality for the second smart card for registration.
In the above scheme, the control unit is configured to determine whether the first smart card and the second smart card belong to the same operator, and obtain a first determination result; when the first judgment result shows that the first smart card and the second smart card do not belong to the same operator, scanning is carried out according to network frequency point deployment of operators corresponding to the first smart card and the second smart card respectively in combination with frequency bands supported by the first smart card and the second smart card respectively, registration is carried out aiming at the first smart card selecting a first frequency point with the optimal signal quality, and registration is carried out aiming at the second smart card selecting a second frequency point with the optimal signal quality; and when the first judgment result shows that the first smart card and the second smart card belong to the same operator, the frequency bands supported by the first smart card and the second smart card are combined for scanning according to the network frequency point deployment of the operator corresponding to the first smart card and the second smart card, the first frequency point with the optimal signal quality is selected for the first smart card for registration, and the second frequency point with the optimal signal quality is selected for the second smart card for registration.
In the above scheme, the terminal device further includes a communication unit;
the control unit is further configured to report first capability information through the communication unit when the first smart card is accessed to the network; when the second intelligent card is controlled to access the network, the second capacity information is reported through the communication unit; the first capability information is capability information representing that downlink carrier aggregation is supported; the second capability information is capability information representing a single carrier or capability information representing support of downlink carrier aggregation.
In the foregoing solution, the control unit is further configured to control the second smart card to migrate from the LTE network to the 2/3G network and control the first smart card to activate the secondary carrier for a carrier aggregation operation when the first smart card receives the secondary carrier activation instruction; or, the first smart card and the second smart card are still maintained to reside in the LTE network.
In the above scheme, the terminal device further includes a communication unit;
the control unit is further configured to control an uplink channel of the communication unit to be used for the second smart card when the second smart card receives a paging message through the communication unit and if the first smart card is not in a paging state and is not in a VoLTE voice call; if the first smart card is in a paging state, controlling an uplink channel of the communication unit to be used for the first smart card; and if the first smart card is in VoLTE voice call, using part of time slot resources of an uplink channel of the communication unit for the second smart card according to a preset rule.
According to the wireless communication method and the terminal equipment provided by the embodiment of the invention, the terminal equipment supports carrier aggregation between downlink bands; the terminal equipment comprises a first smart card and a second smart card; the method comprises the following steps: when the first smart card and the second smart card to be registered are detected to support a Long Term Evolution (LTE) network, judging whether a preset condition is met; when the preset condition is not met, respectively selecting a first frequency point with the optimal signal quality for the first smart card and selecting a second frequency point with the optimal signal quality for the second smart card for registration; the first smart card corresponds to a first LTE protocol stack; the second smart card corresponds to a second LTE protocol stack; a first Media Access Control (MAC) layer in the first LTE protocol stack receives data over a first carrier; a second MAC layer in the second LTE protocol stack receives data through a second carrier; the first carrier and the second carrier are different; the first MAC layer and the second MAC layer transmit data through the same carrier. The technical scheme of the embodiment of the invention aims at the terminal supporting the downlink inter-band carrier aggregation, namely has the inter-band downlink carrier aggregation capability, and respectively corresponds to an LTE protocol stack for the first intelligent card and the second intelligent card in the terminal equipment; for a receiving part, a MAC layer in each LTE protocol stack receives data through a carrier respectively; namely, a first MAC layer in a first LTE protocol stack in a first smart card receives data through a carrier; a second MAC layer in a second LTE protocol stack in a second smart card receives data through another carrier; and in the sending part, the MAC layer in each LTE protocol stack sends data through the same carrier, and the dual-card dual-LTE downlink bi-pass function is realized through the downlink two-carrier parallel processing capability and the uplink time-sharing coordination mechanism of the terminal, so that the use experience of a user is improved.
Drawings
Fig. 1 is a flowchart illustrating a wireless communication method according to a first embodiment of the invention;
fig. 2a and fig. 2b are schematic diagrams illustrating analysis principles of each protocol layer in which a terminal supports downlink carrier aggregation;
fig. 3a and fig. 3b are schematic diagrams illustrating a parsing principle of each protocol layer in the terminal device according to the embodiment of the present invention;
fig. 4 is another flowchart of a wireless communication method according to a first embodiment of the invention;
fig. 5 is a flowchart illustrating a wireless communication method according to a second embodiment of the present invention;
fig. 6 is a schematic structural diagram of a terminal device according to an embodiment of the present invention.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
Example one
The embodiment of the invention provides a wireless communication method, which is applied to terminal equipment; the terminal equipment supports carrier aggregation between downlink bands; the terminal equipment comprises a first smart card and a second smart card; the first smart card corresponds to a first LTE protocol stack; the second smart card corresponds to a second LTE protocol stack; a first Media Access Control (MAC) layer in the first LTE protocol stack receives data over a first carrier; a second MAC layer in the second LTE protocol stack receives data through a second carrier; the first carrier and the second carrier are different; the first MAC layer and the second MAC layer transmit data through the same carrier. Fig. 1 is a flowchart illustrating a wireless communication method according to a first embodiment of the invention; as shown in fig. 1, the method includes:
step 101: and when the first smart card and the second smart card to be registered are detected to support the LTE network, judging whether preset conditions are met.
Step 102: and when the preset condition is not met, respectively selecting a first frequency point with the optimal signal quality for the first smart card and selecting a second frequency point with the optimal signal quality for the second smart card for registration.
The wireless communication method is applied to the terminal equipment, and the terminal equipment comprises at least two intelligent card slots; each smart card slot can be inserted with a smart card, and the first smart card corresponds to the first smart card slot; the second smart card corresponds to a second smart card slot; the first smart card slot and the second smart card slot are any two of the at least two smart card slots. The smart card may specifically be a Subscriber Identity Module (SIM) card or a Universal Subscriber Identity Module (USIM) card, and of course, the smart card is not limited to the two types of smart cards listed above.
In this embodiment, the terminal device supports downlink inter-band carrier aggregation. Fig. 2a and fig. 2b are schematic diagrams illustrating analysis principles of each protocol layer in which a terminal supports downlink carrier aggregation; as shown in fig. 2a and fig. 2b, whether the receiving part or the transmitting part, there is a set of LTE protocol stack for the terminal device supporting inter-band carrier aggregation; in the receiving part, a Media Access Control (MAC) layer in the LTE protocol stack is used to receive data to realize interaction between upper layer data and two carriers (physical layer PHY); in the transmit part, the MAC layer in the LTE protocol stack transmits data over only one carrier (physical layer PHY). Fig. 3a and fig. 3b are schematic diagrams illustrating a parsing principle of each protocol layer in the terminal device according to the embodiment of the present invention; as shown in fig. 3a and 3b, in this embodiment, each smart card is provided with a set of LTE protocol stack, that is, a set of LTE protocol stack is newly added; in the receiving part, as shown in fig. 3a, the MAC layer in each set of LTE protocol stack is used to receive data to implement interaction between upper layer data and one carrier (physical layer PHY); different from the prior art, the MAC layer in each set of LTE protocol stack does not manage two carriers simultaneously any more, and the carrier 1 and the carrier 2 are independent from each other; in the transmitting part, as shown in fig. 3b, the MAC layers of two sets of LTE protocol stacks corresponding to two smart cards transmit data only through one carrier (physical layer PHY); and a sending part is additionally provided with a time-sharing virtual scheduling system for coordinating the time-sharing occupation of the two intelligent cards on the uplink channel. Therefore, two smart cards (equivalently, two smart card slots are correspondingly arranged), two sets of protocol stacks, two independent carriers of the receiving part and one carrier scheduled by the transmitting part in a time-sharing mode are used for simultaneously accessing two LTE networks, and double-card double-pass of the LTE is realized.
In this embodiment, when the terminal device registers in the network, a corresponding matching residence mechanism is provided based on the function of the terminal device supporting the inter-downlink-band carrier aggregation, so as to ensure the normal operation of dual-card dual-VoLTE. When the first smart card and the second smart card to be registered are detected to both support an LTE network and not meet preset conditions, the first smart card and the second smart card are respectively registered by selecting a first frequency point with the optimal signal quality and selecting a second frequency point with the optimal signal quality.
In this embodiment, the selecting a first frequency point with the best signal quality for the first smart card and selecting a second frequency point with the best signal quality for the second smart card for registration respectively includes: judging whether the first smart card and the second smart card belong to the same operator or not, and obtaining a first judgment result; and when the first judgment result shows that the first smart card and the second smart card do not belong to the same operator, the frequency bands respectively supported by the first smart card and the second smart card are combined for scanning according to the network frequency point deployment of the operators respectively corresponding to the first smart card and the second smart card, the first frequency point with the optimal signal quality is selected for the first smart card for registration, and the second frequency point with the optimal signal quality is selected for the second smart card for registration.
Further, when the first determination result indicates that the first smart card and the second smart card belong to the same operator, the method further includes: and deploying and combining frequency bands supported by the first smart card and the second smart card according to network frequency points of operators corresponding to the first smart card and the second smart card, registering aiming at the first smart card and selecting the first frequency point with the optimal signal quality, and registering aiming at the second smart card and selecting the second frequency point with the optimal signal quality.
Fig. 4 is another flowchart of a wireless communication method according to a first embodiment of the invention; specifically, the determination of whether the preset condition is satisfied may be specifically shown as step 204 to step 206 in fig. 4. The method specifically comprises the following steps:
step 201 to step 203: when detecting that a first smart card and a second smart card are not registered to a network, judging whether the first smart card and the second smart card both support an LTE network; when any one of the first smart card and the second smart card does not support the LTE network, other registration mechanisms are adopted, which is not specifically described in this embodiment.
Step 204: when the first smart card and the second smart card both support an LTE network, further judging whether a network residence record exists in the terminal equipment, wherein the network residence record is the last network residence record of the first smart card and the second smart card. When there is a network resident record, step 205 is executed: respectively registering the first smart card and the second smart card according to the network residence record; if the registration fails, go to step 206. When no network resident record exists, step 206 is performed directly.
Step 206: judging whether the first smart card and the second smart card belong to the same operator; when the first smart card and the second smart card do not belong to the same operator, step 207 is executed; when the first smart card and the second smart card belong to the same operator, step 208 is performed. The process is a process of judging whether a preset condition is met; it is understood that, when the first smart card and the second smart card do not belong to the same operator, the predetermined condition is not satisfied as described in step 101.
Step 207: and according to the network frequency point deployment of operators corresponding to the first smart card and the second smart card respectively, the frequency bands supported by the first smart card and the second smart card are combined for scanning, a first frequency point with the optimal signal quality is selected for the first smart card for registration, and a second frequency point with the optimal signal quality is selected for the second smart card for registration.
Step 208: and deploying and combining frequency bands supported by the first smart card and the second smart card according to network frequency points of operators corresponding to the first smart card and the second smart card, registering aiming at the first smart card and selecting the first frequency point with the optimal signal quality, and registering aiming at the second smart card and selecting the second frequency point with the optimal signal quality.
In step 207 of this embodiment, if the first smart card and the second smart card do not belong to the same operator, scanning is performed according to network frequency point deployment of a first operator corresponding to the first smart card and network frequency point deployment of a second operator corresponding to the second smart card in combination with frequency band capabilities supported by the first smart card and the second smart card of the terminal device, so as to obtain a frequency point set currently supported by the first smart card and the second smart card; and selecting the best combined frequency point with the best signal quality to register the first smart card and the second smart card respectively. Correspondingly, in step 208, if the first smart card and the second smart card belong to the same operator, scanning is performed according to the network frequency point deployment of the operator in combination with the frequency band capabilities supported by the first smart card and the second smart card, so as to obtain a frequency point set currently supported by the first smart card and the second smart card; and further selecting the best combined frequency point with the best signal quality from the table to register the first intelligent card and the second intelligent card respectively.
The technical scheme of the embodiment of the invention aims at the terminal supporting the carrier aggregation between the downlink bands, namely the terminal has the carrier aggregation capability between the downlink bands, and the first intelligent card and the second intelligent card respectively correspond to an LTE protocol stack in the terminal equipment; for a receiving part, a MAC layer in each LTE protocol stack receives data through a carrier respectively; namely, a first MAC layer in a first LTE protocol stack in a first smart card receives data through a carrier; a second MAC layer in a second LTE protocol stack in a second smart card receives data through another carrier; and in the sending part, the MAC layer in each LTE protocol stack sends data through unified carriers, and the dual-card dual-LTE downlink bi-pass function is realized through the downlink two-carrier parallel processing capability and the uplink time-sharing coordination mechanism of the terminal, so that the use experience of a user is improved.
Example two
The embodiment of the invention provides a wireless communication method, which is applied to terminal equipment; the terminal equipment supports inter-band carrier aggregation; the terminal equipment comprises a first smart card and a second smart card; the first smart card corresponds to a first LTE protocol stack; the second smart card corresponds to a second LTE protocol stack; a first Media Access Control (MAC) layer in the first LTE protocol stack receives data over a first carrier; a second MAC layer in the second LTE protocol stack receives data through a second carrier; the first carrier and the second carrier are different; the first MAC layer and the second MAC layer transmit data through the same carrier. Fig. 5 is a flowchart illustrating a wireless communication method according to a second embodiment of the present invention; as shown in fig. 5, the method includes:
step 301: and when the first smart card and the second smart card to be registered are detected to support the LTE network, judging whether preset conditions are met.
Step 302: and when the preset condition is not met, respectively selecting a first frequency point with the optimal signal quality for the first smart card and selecting a second frequency point with the optimal signal quality for the second smart card for registration.
Step 303: reporting first capacity information when the first intelligent card is controlled to access the network; and reporting second capacity information when controlling the second smart card to access the network; the first capability information is capability information representing that downlink carrier aggregation is supported; the second capability information is capability information representing a single carrier or capability information representing support of downlink carrier aggregation.
Different from the first embodiment, in the present embodiment, different time sharing coordination mechanisms are provided for different application scenarios, so as to ensure that the user can use dual-card dual-VoLTE simultaneously in some scenarios, and in some scenarios, one of the smart cards works in carrier aggregation while the other smart card falls back to the 2/3G network. Specifically, when both the first smart card and the second smart card support an LTE network (that is, have LTE network access capability), reporting first capability information representing that downlink carrier aggregation is supported when the first smart card is controlled to access the network; the reported first capability information may specifically be Cat6 (namely, Category 6); when the second smart card is controlled to access the network, reporting second capability information representing support of single carrier or support of downlink carrier aggregation, where the second capability information may specifically be Cat4 (namely, Category4) or Cat6 (namely, Category 6); in this case, both the first smart card and the second smart card can operate in LTE mode, and support parallel operation of dual-card dual-LTE downlink (uplink is mainly occupied by the primary card, the first smart card and the second smart card can receive data in parallel, and the secondary card can monitor paging messages). And controlling the first smart card not to activate the auxiliary carrier when reporting the first capability information.
As an implementation manner, the wireless communication method according to the embodiment of the present invention further includes step 304: when an auxiliary carrier activation instruction is received through the first smart card, controlling the second smart card to be migrated from the LTE network to the 2/3G network, and controlling the first smart card to activate an auxiliary carrier to perform carrier aggregation operation; or, the first smart card and the second smart card are still maintained to reside in the LTE network.
Specifically, in this embodiment, the first smart card serves as a primary card, and the second smart card serves as a secondary card. Then, when the first smart card receives the secondary carrier activation instruction, the following two modes of operations can be performed according to the terminal configuration:
1. controlling the second smart card to be migrated from the LTE network to the 2/3G network, and controlling the first smart card to activate the auxiliary carrier to perform carrier aggregation operation; correspondingly, when the first smart card receives an auxiliary carrier wave deactivation instruction, the first smart card is controlled to deactivate the auxiliary carrier wave, and the second smart card is controlled to be migrated from the 2/3G network to the LTE network;
2. and still maintaining the first smart card and the second smart card to be resident in the LTE network, namely maintaining the first smart card and the second smart card to be in a dual-card dual-VoLTE bi-pass operation mode.
As an implementation manner, the wireless communication method according to the embodiment of the present invention further includes: when the second smart card receives a paging message, if the first smart card is not in a paging state and is not in a VoLTE voice call, controlling an uplink channel to be used for the second smart card; if the first smart card is in a paging state, controlling the uplink channel to be used for the first smart card; and if the first smart card is in VoLTE voice call, using part of time slot resources of an uplink channel for the second smart card according to a preset rule. The paging specifically refers to paging.
Specifically, in this embodiment, the first smart card serves as a primary card, and the second smart card serves as a secondary card. When the primary card and the secondary card are both in VoLTE mode, the secondary card shall disable data services unrelated to VoLTE. When the secondary card receives the paging page, the following operations can be performed:
1. if the primary card is not in paging and is not in VoLTE voice call service, the uplink transmission channel should be controlled to be used for the secondary card, so that the secondary card can establish Radio Resource Control (RRC) connection;
2. if the main card is in the paging state, the uplink channel required by the main card is preferentially ensured, namely the uplink transmitting channel is controlled to be used for the main card;
3. if the primary card is in VoLTE voice call, a part of the timeslot resources of the uplink transmission channel is used for the secondary card according to a preset rule, for example, the uplink transmission channel should be used for the secondary card in idle time of two voice frame call intervals (for example, 20ms interval or sacrificing one or two 20ms voice frames), so that the secondary card can establish RRC connection for subsequent operations.
As another embodiment, if the first smart card (i.e. the primary card) is at the cell edge and the uplink channel is in continuous occupancy, the paging message received by the second smart card (i.e. the secondary card) can be ignored.
The technical scheme of the embodiment of the invention aims at the terminal supporting the carrier aggregation between the downlink bands, namely the terminal has the carrier aggregation capability between the downlink bands, and the first intelligent card and the second intelligent card respectively correspond to an LTE protocol stack in the terminal equipment; for a receiving part, a MAC layer in each LTE protocol stack receives data through a carrier respectively; namely, a first MAC layer in a first LTE protocol stack in a first smart card receives data through a carrier; a second MAC layer in a second LTE protocol stack in a second smart card receives data through another carrier; and in the sending part, the MAC layer in each LTE protocol stack sends data through unified carriers, and the dual-card dual-LTE downlink bi-pass function is realized through the downlink two-carrier parallel processing capability and the uplink time-sharing coordination mechanism of the terminal, so that the use experience of a user is improved. On the other hand, the uplink time-sharing coordination mechanism starts from the use experience of the user, and can ensure that the user can realize the dual-card dual-VoLTE dual-pass function of the terminal in certain application scenes, wherein in certain scenes, one smart card works in a carrier aggregation mode, and the other smart card falls back to 2/3G to ensure basic voice communication.
EXAMPLE III
The embodiment of the invention also provides the terminal equipment; the terminal equipment supports downlink inter-band carrier aggregation. Fig. 6 is a schematic structural diagram of a terminal device according to an embodiment of the present invention; as shown in fig. 6, the terminal device includes: a first smart card 41, a second smart card 42, a detection unit 43 and a control unit 44; wherein,
the detecting unit 43 is configured to detect networks supported by the first smart card and the second smart card to be registered;
the control unit 44 is configured to, when the detection unit 43 detects that both the first smart card and the second smart card to be registered support an LTE network, determine whether a preset condition is met; when the preset condition is not met, respectively selecting a first frequency point with the optimal signal quality for the first smart card and selecting a second frequency point with the optimal signal quality for the second smart card for registration;
the first smart card 41 corresponds to a first LTE protocol stack; the second smart card 42 corresponds to a second LTE protocol stack; a first MAC layer in the first LTE protocol stack receives data through a first carrier; a second MAC layer in the second LTE protocol stack receives data through a second carrier; the first carrier and the second carrier are different; the first MAC layer and the second MAC layer transmit data through the same carrier.
In this embodiment, the terminal device includes at least two smart card slots; each smart card slot can be inserted with a smart card, and the first smart card corresponds to the first smart card slot; the second smart card corresponds to a second smart card slot; the first smart card slot and the second smart card slot are any two of the at least two smart card slots. The smart card may specifically be a SIM card or a USIM card, and certainly, the smart card is not limited to the two smart card types listed above.
In this embodiment, the terminal device supports downlink inter-band carrier aggregation. As shown in fig. 3a and 3b, in this embodiment, each smart card is provided with a set of LTE protocol stack, that is, a set of LTE protocol stack is newly added; in the receiving part, as shown in fig. 3a, the MAC layer in each set of LTE protocol stack is used to receive data to implement interaction between upper layer data and one carrier (physical layer PHY); different from the prior art, the MAC layer in each set of LTE protocol stack does not manage two carriers simultaneously any more, and the carrier 1 and the carrier 2 are independent from each other; in the transmitting part, as shown in fig. 3b, the MAC layers of two sets of LTE protocol stacks corresponding to two smart cards transmit data only through one carrier (physical layer PHY); and a sending part is additionally provided with a time-sharing virtual scheduling system for coordinating the time-sharing occupation of the two intelligent cards on the uplink channel. Therefore, two smart cards (equivalently, two smart card slots are correspondingly arranged), two sets of protocol stacks, two independent carriers of the receiving part and one carrier scheduled by the transmitting part in a time-sharing mode are used for simultaneously accessing two LTE networks, and double-card double-pass of the LTE is realized.
In this embodiment, when the terminal device registers in the network, a corresponding matching residence mechanism is provided based on the function of the terminal device supporting the inter-downlink-band carrier aggregation, so as to ensure the normal operation of dual-card dual-VoLTE. When the detecting unit 43 detects that both the first smart card 41 and the second smart card 42 to be registered support the LTE network and do not satisfy the preset condition, the controlling unit 44 selects a first frequency point with the best signal quality for the first smart card and selects a second frequency point with the best signal quality for the second smart card to register.
In this embodiment, the control unit 44 is configured to determine whether the first smart card 41 and the second smart card 42 belong to the same operator, and obtain a first determination result; when the first judgment result indicates that the first smart card 41 and the second smart card 42 do not belong to the same operator, the frequency bands respectively supported by the first smart card 41 and the second smart card 42 are deployed and combined according to the network frequency points of the operators respectively corresponding to the first smart card 41 and the second smart card 42 for scanning, a first frequency point with the optimal signal quality is selected for the first smart card 41 for registration, and a second frequency point with the optimal signal quality is selected for the second smart card 42 for registration; when the first judgment result indicates that the first smart card 41 and the second smart card 42 belong to the same operator, the frequency bands supported by the first smart card 41 and the second smart card 42 are combined for scanning according to the network frequency point deployment of the operator corresponding to the first smart card 41 and the second smart card 42, a first frequency point with the optimal signal quality is selected for the first smart card 41 for registration, and a second frequency point with the optimal signal quality is selected for the second smart card 42 for registration.
In this embodiment, if the first smart card 41 and the second smart card 42 do not belong to the same operator, the control unit 44 may perform scanning according to the network frequency point deployment of the first operator corresponding to the first smart card 41 and the network frequency point deployment of the second operator corresponding to the second smart card 42 in combination with the frequency band capabilities supported by the first smart card 41 and the second smart card 42 of the terminal device, so as to obtain the frequency point sets currently supported by the first smart card 41 and the second smart card 42; and selecting the best combination frequency point with the best signal quality to register the first smart card 41 and the second smart card 42 respectively. Correspondingly, if the first smart card 41 and the second smart card 42 belong to the same operator, the control unit 44 may perform scanning according to the network frequency point deployment of the operator in combination with the frequency band capabilities supported by the first smart card 41 and the second smart card 42, so as to obtain a current frequency point set supported by the first smart card 41 and the second smart card 42; further, the best combination frequency point with the best signal quality is selected from the table to register the first smart card 41 and the second smart card 42, respectively.
As an embodiment, the terminal device further includes a communication unit 45;
the control unit 44 is further configured to control the first smart card 41 to report the first capability information through the communication unit 45 when accessing the network; and control the second smart card 42 to report the second capability information through the communication unit 45 when accessing the network; the first capability information is capability information representing that downlink carrier aggregation is supported; the second capability information is capability information representing a single carrier or capability information representing support of downlink carrier aggregation.
Specifically, when the first smart card 41 and the second smart card 42 both support an LTE network (that is, have LTE network access capability), the control unit 44 reports first capability information representing that downlink carrier aggregation is supported when the first smart card 41 is controlled to access the network; the reported first capability information may specifically be Cat6 (namely, Category 6); the control unit 44 is configured to report second capability information indicating that single carrier support or downlink carrier aggregation support is performed when the second smart card 42 is controlled to access the network, and correspondingly, the second capability information may specifically be Cat4 (namely, Cat 4) or Cat6 (namely, Cat 6); in this case, both the first smart card and the second smart card can operate in LTE mode, and support parallel operation of dual-card dual-LTE downlink (uplink is mainly occupied by the primary card, the first smart card and the second smart card can receive data in parallel, and the secondary card can monitor paging messages). And controlling the first smart card not to activate the auxiliary carrier when reporting the first capability information.
As an embodiment, the control unit 44 is further configured to control the second smart card 42 to migrate from the LTE network to the 2/3G network and control the first smart card 41 to activate the secondary carrier for a carrier aggregation operation when the secondary carrier activation instruction is received by the first smart card 41; alternatively, the first smart card 41 and the second smart card 42 are still maintained resident on the LTE network.
Specifically, in this embodiment, the first smart card serves as a primary card, and the second smart card serves as a secondary card. When the first smart card receives an auxiliary carrier activation instruction through the communication unit, the control unit may perform the following two operations according to the terminal configuration:
1. controlling the second smart card to be migrated from the LTE network to the 2/3G network, and controlling the first smart card to activate the auxiliary carrier to perform carrier aggregation operation; correspondingly, when the first smart card receives an auxiliary carrier wave deactivation instruction, the first smart card is controlled to deactivate the auxiliary carrier wave, and the second smart card is controlled to be migrated from the 2/3G network to the LTE network;
2. and still maintaining the first smart card and the second smart card to be resident in the LTE network, namely maintaining the first smart card and the second smart card to be in a dual-card dual-VoLTE bi-pass operation mode.
As an embodiment, the control unit 44 is further configured to, when the second smart card 42 receives a paging message through the communication unit 45, if the first smart card 41 is not in a paging state and is not in a VoLTE voice call, control an uplink channel of the communication unit 45 to be used for the second smart card 42; if the first smart card 41 is in the paging state, controlling the uplink channel of the communication unit 45 to be used for the first smart card 41; if the first smart card 41 is in VoLTE voice call, a part of the timeslot resources of the uplink channel of the communication unit 45 is used for the second smart card 42 according to a preset rule.
Specifically, in this embodiment, the first smart card serves as a primary card, and the second smart card serves as a secondary card. When the primary card and the secondary card are both in VoLTE mode, the secondary card shall disable data services unrelated to VoLTE. When the secondary card receives the paging page, the control unit may operate in the following ways:
1. if the primary card is not in paging and is not in VoLTE voice call service, the control unit should control the uplink transmission channel to be used for the secondary card, so that the secondary card can establish Radio Resource Control (RRC) connection;
2. if the main card is in the paging state, the control unit preferentially ensures an uplink path required by the main card, i.e. controls the uplink transmission channel to be used by the main card;
3. if the primary card is in a VoLTE voice call, the control unit uses part of the timeslot resources of the uplink transmission channel for the secondary card according to a preset rule, for example, the uplink transmission channel should be used for the secondary card in idle time of two voice frame call intervals (for example, 20ms interval or sacrificing one or two 20ms voice frames), so that the secondary card can establish an RRC connection for subsequent operations.
As another embodiment, if the first smart card (i.e., the primary card) is located at the cell edge and the uplink channel is in continuous occupancy, the control unit may ignore the paging message received by the second smart card (i.e., the secondary card).
It should be understood by those skilled in the art that, the functions of each processing unit in the terminal device according to the embodiment of the present invention may be understood by referring to the description of the foregoing wireless communication method, and each processing unit in the terminal device according to the embodiment of the present invention may be implemented by an analog circuit that implements the functions described in the embodiment of the present invention, or may be implemented by running software that performs the functions described in the embodiment of the present invention on an intelligent terminal.
In the embodiment of the present invention, the detection Unit 43 and the control Unit 44 in the terminal device may be implemented by a Central Processing Unit (CPU), a Digital Signal Processor (DSP), a micro control Unit 44 (MCU), or a Programmable Gate Array (FPGA) in the terminal device in practical application; the communication unit 45 in the terminal device can be implemented by a communication module (including a basic communication suite, an operating system, a communication module, a standardized interface, a protocol, etc.) and a transceiver antenna in practical application.
In the several embodiments provided in the present application, it should be understood that the disclosed apparatus and method may be implemented in other ways. The above-described device embodiments are merely illustrative, for example, the division of the unit is only a logical functional division, and there may be other division ways in actual implementation, such as: multiple units or components may be combined, or may be integrated into another system, or some features may be omitted, or not implemented. In addition, the coupling, direct coupling or communication connection between the components shown or discussed may be through some interfaces, and the indirect coupling or communication connection between the devices or units may be electrical, mechanical or other forms.
The units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, that is, may be located in one place, or may be distributed on a plurality of network units; some or all of the units can be selected according to actual needs to achieve the purpose of the solution of the embodiment.
In addition, all the functional units in the embodiments of the present invention may be integrated into one processing unit, or each unit may be separately regarded as one unit, or two or more units may be integrated into one unit; the integrated unit can be realized in a form of hardware, or in a form of hardware plus a software functional unit.
Those of ordinary skill in the art will understand that: all or part of the steps for implementing the method embodiments may be implemented by hardware related to program instructions, and the program may be stored in a computer readable storage medium, and when executed, the program performs the steps including the method embodiments; and the aforementioned storage medium includes: a mobile storage device, a Read-Only Memory (ROM), a Random Access Memory (RAM), a magnetic disk or an optical disk, and other various media capable of storing program codes.
Alternatively, the integrated unit of the present invention may be stored in a computer-readable storage medium if it is implemented in the form of a software functional module and sold or used as a separate product. Based on such understanding, the technical solutions of the embodiments of the present invention may be essentially implemented or a part contributing to the prior art may be embodied in the form of a software product, which is stored in a storage medium and includes several instructions for causing a computer device (which may be a personal computer, a server, or a network device) to execute all or part of the methods described in the embodiments of the present invention. And the aforementioned storage medium includes: a removable storage device, a ROM, a RAM, a magnetic or optical disk, or various other media that can store program code.
The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present invention, and all the changes or substitutions should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the appended claims.

Claims (11)

1. A wireless communication method is applied to terminal equipment; the method is characterized in that the terminal equipment supports carrier aggregation between downlink bands; the terminal equipment comprises a first smart card and a second smart card; the method comprises the following steps:
when the first smart card and the second smart card to be registered are detected to support a Long Term Evolution (LTE) network, judging whether a preset condition is met;
when the preset condition is not met, respectively selecting a first frequency point with the optimal signal quality for the first smart card and selecting a second frequency point with the optimal signal quality for the second smart card for registration;
the first smart card corresponds to a first LTE protocol stack; the second smart card corresponds to a second LTE protocol stack; a first Media Access Control (MAC) layer in the first LTE protocol stack receives data through a first carrier; a second MAC layer in the second LTE protocol stack receives data through a second carrier; the first carrier and the second carrier are different; the first MAC layer and the second MAC layer transmit data through the same carrier.
2. The method according to claim 1, wherein the selecting the first frequency point with the best signal quality for the first smart card and the second frequency point with the best signal quality for the second smart card for registration respectively comprises: judging whether the first smart card and the second smart card belong to the same operator or not, and obtaining a first judgment result;
and when the first judgment result shows that the first smart card and the second smart card do not belong to the same operator, the frequency bands respectively supported by the first smart card and the second smart card are combined for scanning according to the network frequency point deployment of the operators respectively corresponding to the first smart card and the second smart card, the first frequency point with the optimal signal quality is selected for the first smart card for registration, and the second frequency point with the optimal signal quality is selected for the second smart card for registration.
3. The method according to claim 2, wherein when the first determination result is that the first smart card and the second smart card belong to the same operator, the method further comprises: and deploying and combining frequency bands supported by the first smart card and the second smart card according to network frequency points of operators corresponding to the first smart card and the second smart card, registering aiming at the first smart card and selecting the first frequency point with the optimal signal quality, and registering aiming at the second smart card and selecting the second frequency point with the optimal signal quality.
4. The method of claim 1, further comprising: reporting first capacity information when the first intelligent card is controlled to access the network; and reporting second capacity information when controlling the second smart card to access the network;
the first capability information is capability information representing that downlink carrier aggregation is supported; the second capability information is capability information representing a single carrier or capability information representing support of downlink carrier aggregation.
5. The method of claim 4, further comprising: when an auxiliary carrier activation instruction is received through the first smart card, controlling the second smart card to be migrated from the LTE network to the 2/3G network, and controlling the first smart card to activate an auxiliary carrier to perform carrier aggregation operation;
or, the first smart card and the second smart card are still maintained to reside in the LTE network.
6. The method of claim 1, further comprising: when the second smart card receives the paging message,
if the first intelligent card is not in a paging state and is not in a VoLTE voice call of the voice service based on the IMS, controlling an uplink channel to be used for the second intelligent card;
if the first smart card is in a paging state, controlling the uplink channel to be used for the first smart card;
and if the first smart card is in VoLTE voice call, using part of time slot resources of an uplink channel for the second smart card according to a preset rule.
7. A terminal device, wherein the terminal device supports inter-downlink band carrier aggregation; the terminal equipment comprises a first smart card and a second smart card; the first smart card corresponds to a first LTE protocol stack; the second smart card corresponds to a second LTE protocol stack; a first Media Access Control (MAC) layer in the first LTE protocol stack receives data through a first carrier; a second MAC layer in the second LTE protocol stack receives data through a second carrier; the first carrier and the second carrier are different; the first MAC layer and the second MAC layer send data through the same carrier; the terminal equipment also comprises a detection unit and a control unit; wherein,
the detection unit is used for detecting the networks supported by the first smart card and the second smart card to be registered;
the control unit is used for judging whether a preset condition is met or not when the detection unit detects that the first smart card and the second smart card to be registered both support a Long Term Evolution (LTE) network; and when the preset condition is not met, respectively selecting a first frequency point with the optimal signal quality for the first smart card and selecting a second frequency point with the optimal signal quality for the second smart card for registration.
8. The terminal device according to claim 7, wherein the control unit is configured to determine whether the first smart card and the second smart card belong to a same operator, and obtain a first determination result; when the first judgment result shows that the first smart card and the second smart card do not belong to the same operator, scanning is carried out according to network frequency point deployment of operators corresponding to the first smart card and the second smart card respectively in combination with frequency bands supported by the first smart card and the second smart card respectively, registration is carried out aiming at the first smart card selecting a first frequency point with the optimal signal quality, and registration is carried out aiming at the second smart card selecting a second frequency point with the optimal signal quality; and when the first judgment result shows that the first smart card and the second smart card belong to the same operator, the frequency bands supported by the first smart card and the second smart card are combined for scanning according to the network frequency point deployment of the operator corresponding to the first smart card and the second smart card, the first frequency point with the optimal signal quality is selected for the first smart card for registration, and the second frequency point with the optimal signal quality is selected for the second smart card for registration.
9. The terminal device according to claim 7, wherein the terminal device further comprises a communication unit;
the control unit is further configured to report first capability information through the communication unit when the first smart card is accessed to the network; when the second intelligent card is controlled to access the network, the second capacity information is reported through the communication unit; the first capability information is capability information representing that downlink carrier aggregation is supported; the second capability information is capability information representing a single carrier or capability information representing support of downlink carrier aggregation.
10. The terminal device according to claim 9, wherein the control unit is further configured to control the second smart card to migrate from the LTE network to the 2/3G network and control the first smart card to activate the secondary carrier for a carrier aggregation operation when the secondary carrier activation instruction is received by the first smart card; or, the first smart card and the second smart card are still maintained to reside in the LTE network.
11. The terminal device according to claim 7, wherein the terminal device further comprises a communication unit;
the control unit is further configured to control an uplink channel of the communication unit to be used for the second smart card when the second smart card receives a paging message through the communication unit and if the first smart card is not in a paging state and is not in a VoLTE voice call; if the first smart card is in a paging state, controlling an uplink channel of the communication unit to be used for the first smart card; and if the first smart card is in VoLTE voice call, using part of time slot resources of an uplink channel of the communication unit for the second smart card according to a preset rule.
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